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The magnetic field in a plane electromag...

The magnetic field in a plane electromagnetic wave is given by `B_y = 3xx10^(-7) sin (0.3xx10^2x+0.8xx10^(12)t)` what is the wavelength and frequency of the wave.

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R G PUBLICATION-ELECTROMAGNETIC WAVES-EXERCISE
  1. What is infrared waves?

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  2. Write about X-rays and how they are used as a dignostic tool in medici...

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  3. The magnetic field in a plane electromagnetic wave is given by By = 3x...

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  4. Why are microwave used in Radar?

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  5. For long distance radio broadeast, we use short wave only. Why?

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  6. Why satellites are used for long distance TV transmission.

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  7. State and explain Maxwell's modification of Ampere's circuital law.

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  8. Draw a diagram of Hertz experiment for producing electromagnetic wave.

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  9. Explain the term ground wave

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  10. Explain the term sky wave

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  11. What is amplitude modulation? Explain with diagram.

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  12. Calculate the peak value of electric and magnetic field produced by a ...

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  13. What is demodulation? Why is satellite communication necessary for TV ...

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  14. What is the source of emission of r-rays.

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  15. Obtain an expression for velocity of electromagnetic wave.

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  16. How are carrier wave produced?

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  17. Discuss the mode of propagation of radio wave in atmosphere.

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  18. Write the classification of electromagnetic waves according to frequen...

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  19. Write a short note on ultraviolet rays. Describe how it in large quant...

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  20. Find the wavelength of elecltromagnetic waves of frequency 5xx10^(19)H...

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